The performance of a cell averaging constant false-alarm rate (CA-CFAR) detector degrades rapidly in nonideal conditions caused by multiple targets and nonuniform clutter. The ordered-statistic CFAR (OS-CFAR) is an alternative to the CA-CFAR. The OS-CFAR trades a small loss in detection performance relative to the CA-CFAR in ideal conditions for much less performance degradation in nonideal conditions. A formula is given for the detection probability of the OS-CFAR when there are multiple Swerling I targets in the CFAR window, and a formula is given for the probability of false alarm in nonuniform Raleigh clutter.<>


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    Title :

    OS-CFAR theory for multiple targets and nonuniform clutter


    Contributors:
    Blake, S. (author)


    Publication date :

    1988-11-01


    Size :

    448116 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English